Final Exam: suggested solutions. 1. (a) False: Correlation among the x variables does not cause bias. As long as there isn' perfect multicollinearity and the other MLR ast sumptions hold, OLS exists and is unbiased. The fact that the
coe cient is pr
common club. Theories of Group Formation The following four
theories explain why and how groups are formed: Propinquity Theory
Individuals affiliate with one another because of spatial or
geographical proximity. In an organization, employees who work in
t
Data Analysis and Econometrics II Economics 166b Spring 2007 Prof. Joseph G. Altonji Problem Set 6 (the last one!) Due Date: Tuesday, April 17th, in class .
1. Wooldridge C15.8 2. This problem uses the data file NLSY3.dta. This file contains data on
Data Analysis and Econometrics II
Economics 166b
Spring 2007
Prof. Joseph G. Altonji
Problem Set 4
Due Date: Tuesday, March 27, in class .
Problem 1.
In this problem you will study race differences in home ownership rates. Re-read my lecture notes on regr
Economics 166
Spring 2007
Prof. Joseph G. Altonji
Problem Set 5: Difference in Differences and Fixed Effects
Due Thursday, April 5th, in class
1. Use the data in injury.dta for this exercise, which contains the data used by Meyer,
Viscusi and Durbin. Note
Econ 166 Joseph G. Altonji Spring 2007 Problem Set 3 Due Date: Tuesday, March 6 , in class. Collaboration: You are free to discuss the problem set with one other student. However, you have to do your own computing in STATA and write up your own answe
Econ 166 Spring 2007 Due Tuesday February 13, in class. Problem Set #2
Joseph Altonji Page 1 of 3
(Problems 1 and 2 are based on Berndt, Chapter 2)
Problem 1 In this exercise you will do an event study of the Conoco takeover ght in 1981. Dupont wa
Econ 166 Spring 2006 Professor J.G. Altonji MIDTERM EXAM (100 points) Time: 75 minutes. This exam is closed book. You may use an an (8x11) handwritten sheet of notes (1-sided, no use of a photocopy machine/scanner to reduce) Show your work: You do no
Econ 166 Joseph G. Altonji Spring 2007 Problem Set 1
Due Tuesday, January 30th, in class. Collaboration: You are free to discuss the problem set with one other student. However, you have to do your own computing in STATA and write up your own answer
5. You are conducting an empirical investigation into the beer expenditures of male and female office employees of a company. You have assembled for this project a random sample of observations on 40 office employees, 21 of whom are females and 19 of
1 Econ 166 Professor Altonji Practice Questions for Final Exam, version 1 , Unless otherwise stated statistical tests are to be performed at the 5% significance level.
Problem 1. [15 points total] (1.1) [5 points] True or false and explain. In the
Econ 166
1
Midterm Exam Notes:
Most Important Material: lect1v10.pdf, including in Additional Notes on Comparison of Simple and Multiple Regression.pdf Lect4stat_infer_testv7.pdf Lect5_Ftestsv2.pdf Wooldridge Ch 3 and 4). (Going through Chapter 2
Joseph Altonji Econ 166 Spring 2007 Final Exam Notes:
1
Review Session and O ce Hours
Review Session:Thursday, May 10, 7:00PM, WLH 116. questions rather than lecture. O ce Hours: Saturday, May 5th, 2:00-4:00PM 27 Hillhouse Ave, 1st oor classroom
Joseph Altonji Econ 166 Spring 2007 Final Exam Notes:
1
Review Session and O ce Hours
Review Session:Thursday, May 10, 7:00PM, WLH 116. questions rather than lecture. O ce Hours: Saturday, May 5th, 2:00-4:00PM 27 Hillhouse Ave, 1st oor classroom
Joseph Altonji Econ 166 Final Exam Notes: 1.a The exam is closed book, no notes, no calculator or electronic device. 1b. You can bring 1 8.5 x 11 2 sided sheet. You have to write your notes by hand, and you can' use a photo copy machine or whatever t
Suggested Solutions 1. (a) The interpretation of the coefficient on the dummy term, 2 is the reduction in the number of labor hours due to a highly rated management when log(Xi ) = 0. It is the effect of good management on the regression intercept. (
an organizational behavior theorist, defines power as the 272 ability
to influence behaviour, to change the course of events, to overcome
resistance, and to get people to do things that they would not
otherwise do . Characteristics of Power Definitions of